Addition of Dissimilar Fractions

We have already learned Addition of Fractions, but we have not discussed much about addition of mixed numbers. The two videos below explains how to add mixed numbers.

Two methods are used in these tutorials. The first method involves adding the whole numbers first before adding the fractions.

I hope you find these videos helpful in the upcoming Civil Service Exam. This videos are to be uploaded in my Tagalog Math site titled Sipnayan. » Read more

How to Add Fractions

Fractions whose denominators are the same are called similar fractions. Fractions that are not similar are called dissimilar fractions. Hence, the fractions \frac{1}{8}, \frac{3}{8}, and \frac{5}{8} are similar fractions, while the fractions \frac{2}{3} and \frac{1}{2} are dissimilar fractions. In this post, we are going to learn how to add fractions. 

How to Add Similar Fractions

Adding similar fractions is very easy.  In adding similar fractions, you just add the numerator and copy the denominator.  Here are a few examples.

Example 1

\displaystyle \frac{1}{5} + \frac{2}{5} = \frac{1 + 2}{5} = \frac{3}{5}

Example 2

\displaystyle \frac{1}{8} + \frac{2}{8} + \frac{4}{8} = \frac{1 + 2 + 4}{8} = \frac{7}{8} » Read more

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